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From: "Keyon.Jey" <yang.jie@linux.intel.com>
To: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: vinod.koul@intel.com, alsa-devel@alsa-project.org
Subject: Re: [tinycompress]how should I call compress_open	for aac ltp file playback?
Date: Wed, 05 Jun 2013 16:27:44 +0800	[thread overview]
Message-ID: <51AEF680.10209@linux.intel.com> (raw)
In-Reply-To: <20130605080104.GE31108@opensource.wolfsonmicro.com>

On 06/05/2013 04:01 PM, Charles Keepax wrote:
> On Wed, Jun 05, 2013 at 02:46:04PM +0800, Keyon.Jey wrote:
>> I am trying to use tinycompress for hwdecoder. everything works fine,
>> but after compress_open (with profile = SND_AUDIOPROFILE_AAC level=0
>> ch_mode=0 rate_control=0), the playback of my aac-ltp-16bit-48KHz-Stereo
>> file is faster than it should be.  Am I wrong?
> Vinod is probably the person for this one, as I am not so
> familiar with what you guys have done internally. However, my
> guess would be you are not setting the sample_rate correctly? It
> likely needs to be set to the appropriate SNDRV_PCM_RATE_XXXX
> define. The source for cplay included in the tinycompress
> repository is a good example of using the tinycompress library.
>
> Charles
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>
thanks, Charles. the print log showed me that I have set 
SNDRV_PCM_RATE_48000 which seems no problem.
the cplay example code is only for mp3 file, and it also not set .level, 
.ch_mode and .rate_control.
Vinod, what's your suggestion?

thanks,
Keyon

  reply	other threads:[~2013-06-05  8:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-05  6:46 [tinycompress]how should I call compress_open for aac ltp file playback? Keyon.Jey
2013-06-05  8:01 ` Charles Keepax
2013-06-05  8:27   ` Keyon.Jey [this message]
2013-06-07  0:23     ` Vinod Koul
2013-06-07  6:46       ` Keyon.Jey

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